<template>
  <div class="app-container">
    <el-form label-width="70px" size="small">
      <el-row>
        <el-col :span="8">
          <el-form-item label="关 键 字">
            <el-input v-model="searchObj.keyword" style="width: 95%" placeholder="用户名/姓名/手机号码"/>
          </el-form-item>
        </el-col>
        <el-col :span="8">
          <el-form-item label="操作时间">
            <el-date-picker
              v-model="createTimes"
              type="daterange"
              range-separator="至"
              start-placeholder="开始时间"
              end-placeholder="结束时间"
              value-format="yyyy-MM-dd"
              style="margin-right: 10px;width: 100%;"
            />
          </el-form-item>
        </el-col>
        <el-col :span="8">
          <el-form-item label="">
            <el-button type="primary" icon="el-icon-search" size="mini" @click="fetchData()">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>

    <!-- 工具条 :disabled="$hasBP('bnt.sysUser.add') === false"-->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          v-perm="['bnt.sysUser.add']"
          icon="el-icon-plus"
          size="mini"
          @click="add"
        >添 加
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-download"
          size="mini"
          @click="exportData"
        >导出
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-upload
          class="upload-demo"
          :auto-upload="true"
          :show-file-list="false"
          :action="upUrl"
          :headers="upHer"
          :on-success="upSuccess"
          :on-error="upError">
          <el-button size="mini" icon="el-icon-upload2" type="success">导入</el-button>
        </el-upload>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          icon="el-icon-download"
          size="mini"
          @click="exportPdf"
        >导出PDF
        </el-button>
      </el-col>
    </el-row>

    <!-- 列表 -->
    <el-table
      class="tab"
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
    >

      <el-table-column
        label="序号"
        width="70"
        align="center"
      >
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="username" label="用户名" width="180" align="center"/>
      <el-table-column prop="name" label="姓名" width="110" align="center"/>
      <el-table-column prop="phone" label="手机" align="center"/>
      <el-table-column label="状态" width="80" align="center">
        <template slot-scope="scope">
          <el-switch
            v-model= "scope.row.status === 1"
            @change="switchStatus(scope.row)"
          />
        </template>
      </el-table-column>
      <el-table-column prop="createTime" align="center" label="创建时间"/>

      <el-table-column label="操作" align="center" fixed="right">
        <template v-slot="scope">
          <el-button
            type="primary"
            icon="el-icon-edit"
            size="mini"
            :disabled="$hasBP('bnt.sysUser.update') === false"
            title="修改"
            @click="edit(scope.row.id)"
          />
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            :disabled="$hasBP('bnt.sysUser.remove') === false"
            title="删除"
            @click="removeDataById(scope.row.id)"
          />
          <el-button
            type="warning"
            icon="el-icon-baseball"
            size="mini"
            title="分配角色"
            @click="showAssignRole(scope.row)"
          />
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />

    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username"/>
        </el-form-item>

        <el-form-item label="角色列表">
          <el-checkbox v-model="checkAll" :indeterminate="isIndeterminate" @change="handleCheckAllChange">全选
          </el-checkbox>
          <div style="margin: 15px 0;"/>
          <el-checkbox-group v-model="userRoleIds" @change="handleCheckedChange">
            <el-checkbox v-for="role in allRoles" :key="role.id" :label="role.id">{{ role.roleName }}</el-checkbox>
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" size="small" @click="assignRole">保存</el-button>
        <el-button size="small" @click="dialogRoleVisible = false">取消</el-button>
      </div>
    </el-dialog>

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysUser" label-width="100px" size="small" style="padding-right: 40px;">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="sysUser.username"/>
        </el-form-item>
        <el-form-item v-if="!sysUser.id" label="密码" prop="password">
          <el-input v-model="sysUser.password" type="password"/>
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="sysUser.name"/>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="sysUser.phone"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="small" icon="el-icon-refresh-right" @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" size="small" @click="saveOrUpdate()">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>
<script>
import api from '@/api/system/user'
import roleApi from '@/api/system/role'
import { downLoadXls } from '@/utils/zipdownload'
import { getToken } from '@/utils/auth'

export default {
  data() {
    return {
      listLoading: false, // 数据是否正在加载
      list: null, // 列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询表单对象

      createTimes: [],

      dialogVisible: false,
      sysUser: {},

      dialogRoleVisible: false,
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false, // 是否全选
      upUrl: process.env.VUE_APP_BASE_API + '/admin/system/sysUser/importList',
      upHer: { token: getToken() }
    }
  },
  created() {
    // 调用列表方法
    this.fetchData()
  },
  methods: {
    // 展示分配角色
    showAssignRole(row) {
      this.sysUser = row
      this.dialogRoleVisible = true
      roleApi.getRolesByUserId(row.id).then(response => {
        this.allRoles = response.data.allRoles
        console.log(this.allRoles)
        this.userRoleIds = response.data.userRoleIds
        console.log(this.userRoleIds)
        this.checkAll = this.userRoleIds.length === this.allRoles.length
        this.isIndeterminate = this.userRoleIds.length > 0 && this.userRoleIds.length < this.allRoles.length
      })
    },

    /*
    全选勾选状态发生改变的监听
    */
    handleCheckAllChange(value) { // value 当前勾选状态true/false
      // 如果当前全选, userRoleIds就是所有角色id的数组, 否则是空数组
      this.userRoleIds = value ? this.allRoles.map(item => item.id) : []
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false
    },

    /*
    角色列表选中项发生改变的监听
    */
    handleCheckedChange(value) {
      const { userRoleIds, allRoles } = this
      this.checkAll = userRoleIds.length === allRoles.length && allRoles.length > 0
      this.isIndeterminate = userRoleIds.length > 0 && userRoleIds.length < allRoles.length
    },

    // 分配角色
    assignRole() {
      const assginRoleVo = {
        userId: this.sysUser.id,
        roleIdList: this.userRoleIds
      }
      roleApi.assignRoles(assginRoleVo).then(response => {
        this.$message.success(response.message || '分配角色成功')
        this.dialogRoleVisible = false
        this.fetchData(this.page)
      })
    },
    // 更改用户状态
    switchStatus(row) {
      // 判断，如果当前用户可用，修改禁用
      row.status = row.status === 1 ? 0 : 1
      api.updateStatus(row.id, row.status)
        .then(response => {
          if (response.code === 200) {
            this.$message.success(response.message || '操作成功')
          } else {
            this.$alert(response.message, '异常提示', {
              confirmButtonText: '确定',
              type: 'error'
            })
          }
          this.fetchData()
        })
    },
    // 删除
    removeDataById(id) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 调用方法删除
        api.removeById(id)
          .then(response => {
            // 提示
            this.$message({
              type: 'success',
              message: '删除成功!'
            })
            // 刷新
            this.fetchData()
          })
      })
    },
    // 根据id查询，数据回显
    edit(id) {
      // 弹出框
      this.dialogVisible = true
      // 调用接口查询
      api.getUserId(id)
        .then(response => {
          this.sysUser = response.data
        })
    },
    // 添加或者修改方法
    saveOrUpdate() {
      if (!this.sysUser.id) {
        this.save()
      } else {
        this.update()
      }
    },
    // 修改
    update() {
      api.update(this.sysUser)
        .then(res => {
          if (res.code === 200) {
            this.$message.success('操作成功')
            // 关闭弹框
            this.dialogVisible = false
            // 刷新
            this.fetchData()
          } else {
            this.$alert(res.message, '异常提示', {
              confirmButtonText: '确定',
              callback: action => {
                this.$message({
                  type: 'error', message: `action: ${action}`
                })
              }
            })
          }
        })
    },
    // 添加
    save() {
      api.save(this.sysUser)
        .then(response => {
          this.$message.success('操作成功')
          this.dialogVisible = false
          this.fetchData()
        })
    },
    // 添加弹框的方法
    add() {
      this.dialogVisible = true
      this.sysUser = {}
    },
    // 重置查询表单
    resetData() {
      this.searchObj = {}
      this.createTimes = []
      this.fetchData()
    },

    fetchData(page = 1) {
      this.page = page
      if (this.createTimes && this.createTimes.length === 2) {
        this.searchObj.createTimeBegin = this.createTimes[0]
        this.searchObj.createTimeEnd = this.createTimes[1]
      }

      api.getPageList(this.page, this.limit, this.searchObj)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
    },

    exportData() {
      downLoadXls('/admin/system/sysUser/exportList', '')
      this.$message.success('导出成功')
    },

    exportPdf() {
      this.htmlToPdf('tab', '用户')
    },

    upSuccess(res, file, fileList) {
      if (res.code === 200) {
        this.$message.success('导入成功!')
      } else {
        this.$message.error(res.message)
      }
      this.fetchData()
    },

    upError() {
      this.$message.error('服务错误!')
      this.fetchData()
    }

  }
}
</script>
